Gear corkscrew



FIG. 1 is a front, side and top view of a gear corkscrew showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof, shown in a second position of use;

FIG. 4 is a back view thereof, shown in a third position of use;

FIG. 5 is a back view thereof, shown in the same position as in FIG. 1;

FIG. 6 is a right side view thereof;

FIG. 7 is a left side view thereof;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is a top view thereof.

The broken lines throughout the views form no part of the claimed design. 

The ornamental design for a gear corkscrew, as shown and described. 